Research Topic

Recent Advances in Stimuli-responsive Photoluminescence Switching of Purely Organic Compounds

About this Research Topic

Stimuli-responsive photoluminescent materials switch their emission properties in response to an external stimulus such as light, heat, mechanical force, chemical vapour, ions. Such smart materials have attracted considerable interest because of their potential applications in environmental sensors and optoelectronic devices. Among varieties of organic, inorganic, and organic-inorganic smart materials, purely organic molecular compounds have advantages in terms of their colour tunability, low toxicity, and solution processability. In addition to traditional organic luminophores, recent intensive studies on advanced photoluminescent compounds that exhibit circularly polarized luminescence (CPL), thermally activated delayed fluorescence (TADF), or aggregation-induced emission (AIE) properties have accelerated the development of wide varieties of stimuli-responsive luminescent organic compounds. Furthermore, recent progress in designing solid-state emissive organic luminophores have also promoted the development of organic crystalline compounds with photoluminescent switching properties.

Switching of photoluminescent properties induced by the external stimulus is based on various mechanisms including structural changes of molecules, phase transitions, or intermolecular interactions between photoluminescent compounds with applied chemicals. More complex mechanisms are involved in multi-colour switching systems of photoluminescent smart materials. A comprehensive understanding of the mechanisms of versatile switching systems is highly desirable to provide rational design principles of stimuli-responsive systems for practical applications in biological, environmental, and material sciences. This Research Topic will summarize recent research trends and advances in the development of purely organic photoluminescent compounds that can respond to various external stimuli. 

This Research Topic welcomes Original research articles, Reviews, Mini Reviews, and Perspectives. Areas to be covered in this collection may include, but are not limited to:
• Design and synthesis of novel solid-state luminophores that can respond to external stimulus
• Switching behaviours of CPL emitters
• Advanced applications of novel AIE molecules
• Design and development of TADF materials for use in sensing applications
• Multi-stimuli responsive organic photoluminescent systems


Keywords: photoluminescence, smart materials, optical sensors, chromism, multi-colour emission


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Stimuli-responsive photoluminescent materials switch their emission properties in response to an external stimulus such as light, heat, mechanical force, chemical vapour, ions. Such smart materials have attracted considerable interest because of their potential applications in environmental sensors and optoelectronic devices. Among varieties of organic, inorganic, and organic-inorganic smart materials, purely organic molecular compounds have advantages in terms of their colour tunability, low toxicity, and solution processability. In addition to traditional organic luminophores, recent intensive studies on advanced photoluminescent compounds that exhibit circularly polarized luminescence (CPL), thermally activated delayed fluorescence (TADF), or aggregation-induced emission (AIE) properties have accelerated the development of wide varieties of stimuli-responsive luminescent organic compounds. Furthermore, recent progress in designing solid-state emissive organic luminophores have also promoted the development of organic crystalline compounds with photoluminescent switching properties.

Switching of photoluminescent properties induced by the external stimulus is based on various mechanisms including structural changes of molecules, phase transitions, or intermolecular interactions between photoluminescent compounds with applied chemicals. More complex mechanisms are involved in multi-colour switching systems of photoluminescent smart materials. A comprehensive understanding of the mechanisms of versatile switching systems is highly desirable to provide rational design principles of stimuli-responsive systems for practical applications in biological, environmental, and material sciences. This Research Topic will summarize recent research trends and advances in the development of purely organic photoluminescent compounds that can respond to various external stimuli. 

This Research Topic welcomes Original research articles, Reviews, Mini Reviews, and Perspectives. Areas to be covered in this collection may include, but are not limited to:
• Design and synthesis of novel solid-state luminophores that can respond to external stimulus
• Switching behaviours of CPL emitters
• Advanced applications of novel AIE molecules
• Design and development of TADF materials for use in sensing applications
• Multi-stimuli responsive organic photoluminescent systems


Keywords: photoluminescence, smart materials, optical sensors, chromism, multi-colour emission


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

31 May 2021 Abstract
01 October 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

31 May 2021 Abstract
01 October 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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